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separate mfa from key-only aws

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jem 2020-03-06 16:10:18 +01:00
parent 8c44ae5302
commit 9d9aee79d3
7 changed files with 95 additions and 74 deletions
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2
build.py
View file

@ -27,7 +27,7 @@ use_plugin("python.distutils")
default_task = "publish"
name = "ddadevops"
version = "0.4.1.dev0"
version = "0.4.1.dev1"
summary = "tools to support builds combining gopass, terraform, dda-pallet, aws & hetzner-cloud"
description = __doc__
authors = [Author("meissa GmbH", "buero@meissa-gmbh.de")]

1
src/main/python/ddadevops/__init__.py
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@ -9,6 +9,7 @@ from .devops_build import DevopsBuild, create_devops_build_config
from .devops_terraform_build import DevopsTerraformBuild, create_devops_terraform_build_config
from .hetzner_mixin import HetznerMixin, add_hetzner_mixin_config
from .aws_mixin import AwsMixin, add_aws_mixin_config
from .aws_mfa_mixin import AwsMfaMixin, add_aws_mfa_mixin_config
from .dda_pallet_mixin import DdaPalletMixin, add_dda_pallet_mixin_config
__version__ = "${version}"

82
src/main/python/ddadevops/aws_mfa_mixin.py Normal file
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@ -0,0 +1,82 @@
from python_terraform import *
from boto3 import *
from .credential import gopass_credential_from_env_path
from .python_util import execute
from .aws_mixin import AwsMixin
def add_aws_mfa_mixin_config(config, account_id, region,
mfa_role='developer', mfa_account_prefix='', mfa_login_account_suffix='main'):
config.update({'AwsMfaMixin':
{'account_id': account_id,
'region': region,
'mfa_role': mfa_role,
'mfa_account_prefix': mfa_account_prefix,
'mfa_login_account_suffix': mfa_login_account_suffix}})
return config
class AwsMfaMixin(AwsMixin):
def __init__(self, project, config):
super().__init__(project, config)
project.build_depends_on('boto3')
project.build_depends_on('mfa')
aws_mfa_mixin_config = config['AwsMfaMixin']
self.account_id = aws_mfa_mixin_config['account_id']
self.region = aws_mfa_mixin_config['region']
self.mfa_role = aws_mfa_mixin_config['mfa_role']
self.mfa_account_prefix = aws_mfa_mixin_config['mfa_account_prefix']
self.mfa_login_account_suffix = aws_mfa_mixin_config['mfa_login_account_suffix']
def project_vars(self):
ret = super().project_vars()
ret.update({'account_name': self.account_name,
'account_id': self.account_id,
'region': self.region,
'mfa_role': self.mfa_role,
'mfa_account_prefix': self.mfa_account_prefix,
'mfa_login_account_suffix': self.mfa_login_account_suffix})
return ret
def get_username_from_account(self, p_account_name):
login_id = execute('cat ~/.aws/accounts | grep -A 2 "\[' + p_account_name +
'\]" | grep username | awk -F= \'{print $2}\'', shell=True)
return login_id
def get_account_id_from_account(self, p_account_name):
account_id = execute('cat ~/.aws/accounts | grep -A 2 "\[' + p_account_name +
'\]" | grep account | awk -F= \'{print $2}\'', shell=True)
return account_id
def get_mfa(self, mfa_path='aws'):
mfa_token = execute('mfa otp ' + mfa_path, shell=True)
return mfa_token
def write_aws_config(self, to_profile, key, secret):
execute('aws configure --profile ' + to_profile +
' set ' + key + ' ' + secret, shell=True)
def get_mfa_session(self, toke=None):
from_account_name = self.mfa_account_prefix + self.mfa_login_account_suffix
from_account_id = self.get_account_id_from_account(from_account_name)
to_account_name = self.mfa_account_prefix + self.account_name
to_account_id = self.get_account_id_from_account(to_account_name)
login_id = self.get_username_from_account(from_account_name)
mfa_token = self.get_mfa()
ses = Session(profile_name=from_account_name)
sts_client = ses.client('sts')
response = sts_client.assume_role(
RoleArn='arn:aws:iam::' + to_account_id + ':role/' + self.mfa_role,
RoleSessionName=to_account_id + '-' + self.account_name + '-' + self.mfa_role,
SerialNumber='arn:aws:iam::' + from_account_id + ':mfa/' + login_id,
TokenCode=mfa_token
)
self.write_aws_config(to_account_name, 'aws_access_key_id',
response['Credentials']['AccessKeyId'])
self.write_aws_config(to_account_name, 'aws_secret_access_key',
response['Credentials']['SecretAccessKey'])
self.write_aws_config(to_account_name, 'aws_session_token',
response['Credentials']['SessionToken'])
print('got token')

69
src/main/python/ddadevops/aws_mixin.py
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@ -1,19 +1,10 @@
from python_terraform import *
from boto3 import *
from .credential import gopass_credential_from_env_path
from .python_util import execute
from .devops_terraform_build import DevopsTerraformBuild
def add_aws_mixin_config(config, account_name, account_id, region,
mfa_role='developer', mfa_account_prefix='', mfa_login_account_suffix='main'):
def add_aws_mixin_config(config, account_name):
config.update({'AwsMixin':
{'account_name': account_name,
'account_id': account_id,
'region': region,
'mfa_role': mfa_role,
'mfa_account_prefix': mfa_account_prefix,
'mfa_login_account_suffix': mfa_login_account_suffix}})
{'account_name': account_name}})
return config
@ -21,27 +12,15 @@ class AwsMixin(DevopsTerraformBuild):
def __init__(self, project, config):
super().__init__(project, config)
project.build_depends_on('boto3')
project.build_depends_on('mfa')
aws_mixin_config = config['AwsMixin']
self.account_name = aws_mixin_config['account_name']
self.account_id = aws_mixin_config['account_id']
self.region = aws_mixin_config['region']
self.mfa_role = aws_mixin_config['mfa_role']
self.mfa_account_prefix = aws_mixin_config['mfa_account_prefix']
self.mfa_login_account_suffix = aws_mixin_config['mfa_login_account_suffix']
def backend_config(self):
return "backend." + self.account_name + "." + self.stage + ".properties"
def project_vars(self):
ret = super().project_vars()
ret.update({'account_name': self.account_name,
'account_id': self.account_id,
'region': self.region,
'mfa_role': self.mfa_role,
'mfa_account_prefix': self.mfa_account_prefix,
'mfa_login_account_suffix': self.mfa_login_account_suffix})
ret.update({'account_name': self.account_name})
return ret
def init_client(self):
@ -69,45 +48,3 @@ class AwsMixin(DevopsTerraformBuild):
tf = self.init_client()
tf.destroy(capture_output=False, auto_approve=p_auto_approve,
var=self.project_vars(), var_file=self.backend_config())
def get_username_from_account(self, p_account_name):
login_id = execute('cat ~/.aws/accounts | grep -A 2 "\[' + p_account_name +
'\]" | grep username | awk -F= \'{print $2}\'', shell=True)
return login_id
def get_account_id_from_account(self, p_account_name):
account_id = execute('cat ~/.aws/accounts | grep -A 2 "\[' + p_account_name +
'\]" | grep account | awk -F= \'{print $2}\'', shell=True)
return account_id
def get_mfa(self, mfa_path='aws'):
mfa_token = execute('mfa otp ' + mfa_path, shell=True)
return mfa_token
def write_aws_config(self, to_profile, key, secret):
execute('aws configure --profile ' + to_profile +
' set ' + key + ' ' + secret, shell=True)
def get_mfa_session(self, toke=None):
from_account_name = self.mfa_account_prefix + self.mfa_login_account_suffix
from_account_id = self.get_account_id_from_account(from_account_name)
to_account_name = self.mfa_account_prefix + self.account_name
to_account_id = self.get_account_id_from_account(to_account_name)
login_id = self.get_username_from_account(from_account_name)
mfa_token = self.get_mfa()
ses = Session(profile_name=from_account_name)
sts_client = ses.client('sts')
response = sts_client.assume_role(
RoleArn='arn:aws:iam::' + to_account_id + ':role/' + self.mfa_role,
RoleSessionName=to_account_id + '-' + self.account_name + '-' + self.mfa_role,
SerialNumber='arn:aws:iam::' + from_account_id + ':mfa/' + login_id,
TokenCode=mfa_token
)
self.write_aws_config(to_account_name, 'aws_access_key_id',
response['Credentials']['AccessKeyId'])
self.write_aws_config(to_account_name, 'aws_secret_access_key',
response['Credentials']['SecretAccessKey'])
self.write_aws_config(to_account_name, 'aws_session_token',
response['Credentials']['SessionToken'])
print('got token')

4
src/main/python/ddadevops/devops_build.py
View file

@ -2,13 +2,15 @@ from subprocess import run
from .python_util import filter_none
def create_devops_build_config(stage, project_root_path, build_commons_path, module, build_dir_name='target'):
def create_devops_build_config(stage, project_root_path, build_commons_path, module,
build_dir_name='target'):
return {'stage': stage,
'project_root_path': project_root_path,
'build_commons_path': build_commons_path,
'module': module,
'build_dir_name': build_dir_name}
class DevopsBuild:
def __init__(self, project, config):

5
src/main/python/ddadevops/devops_terraform_build.py
View file

@ -7,15 +7,14 @@ from .devops_build import DevopsBuild, create_devops_build_config
def create_devops_terraform_build_config(stage, project_root_path, build_commons_path, module,
account_name, additional_vars,
additional_vars,
build_dir_name='target',
terraform_build_commons_dir_name='terraform',
output_json_name='output.json',
use_workspace=True):
ret = create_devops_build_config(
stage, project_root_path, build_commons_path, module, build_dir_name)
ret.update({'account_name': account_name,
'additional_vars': additional_vars,
ret.update({'additional_vars': additional_vars,
'terraform_build_commons_dir_name': terraform_build_commons_dir_name,
'output_json_name': output_json_name,
'use_workspace': use_workspace})

4
src/main/python/ddadevops/hetzner_mixin.py
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@ -2,9 +2,9 @@ from .credential import gopass_credential_from_env_path
from .devops_terraform_build import DevopsTerraformBuild
def add_hetzner_mixin_config(config):
def add_hetzner_mixin_config(config, hetzner_api_key_path_env='HETZNER_API_KEY_PATH'):
config.update({'HetznerMixin':
{'HETZNER_API_KEY_PATH_ENVIRONMENT': 'HETZNER_API_KEY_PATH'}})
{'HETZNER_API_KEY_PATH_ENVIRONMENT': hetzner_api_key_path_env}})
return config